Entry: adit (n.)
In context: "The destiny-grade event that happened to Orin Incandenza at this point was that as he was passing glumly under the Home goalposts and entering the shadow of the south exit-tunnel's adit a loud ominously orthopedic cracking sound, plus then shrieking, issued from somewhere on the field behind him."
Definition: A roughly horizontal passage introduced into a mine for the purpose of access or drainage. Also in extended use; spec. a watercourse, esp. one that carries water away from a mine.
SNOOT score: 1
Source: Oxford English Dictionary